How many flights depart from Region of Ontario to Missouri on average per day?

As of August 2026, 5 flights take off from Region of Ontario and land in Missouri each day. The most common flight departure time for this route is 7:00p.m., with 53% of daily flights taking off in the evening.

How long is the flight from Region of Ontario to Missouri?

The average flight duration from Region of Ontario to Missouri depends on which airport you fly into and out of. Flying from Toronto to St. Louis is 2h 05m on average, while flying from Ottawa to St. Louis is 5h 01m on average. St. Louis is the most popular airport in Missouri.

How many flights depart from Region of Ontario to Missouri on average per week?

40 flights are operational weekly from Region of Ontario to Missouri as of August 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

What is the cheapest airline that flies from Ontario to Missouri?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Ontario to Missouri

Which airlines fly to Missouri?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Missouri from Region of Ontario according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Missouri. Keep in mind that there are 5 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario to Missouri?

Prices for flights from Ontario to Missouri are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario to Missouri?

There are 5 operators available for flights from Ontario to Missouri as of August 2026.

How old do you have to be to fly from Ontario to Missouri?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Missouri.

What documentation or ID do you need to fly to Missouri?

The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 257 Cheap Flights from Ontario to Missouri in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:15 p.m. - 9:37 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

8h 22m1 stop Washington, D.C. Reagan-National

7:21 a.m. - 6:35 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

10h 14m1 stop Chicago O'Hare Intl

C$ 519American Airlines

Tue, 8 Sep - Fri, 11 Sep

2:15 p.m. - 9:37 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

8h 22m1 stop Washington, D.C. Reagan-National

7:21 a.m. - 6:35 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

10h 14m1 stop Chicago O'Hare Intl

C$ 520American Airlines

Tue, 8 Sep - Fri, 11 Sep

1:30 p.m. - 1:10 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

24h 40m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

12:17 p.m. - 8:09 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

30h 52m1 stop Las Vegas Harry Reid Intl

C$ 530Multiple Airlines

Thu, 10 Sep - Tue, 15 Sep

6:30 a.m. - 1:10 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

31h 40m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

5:19 p.m. - 11:35 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

29h 16m1 stop Orlando

C$ 544Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

6:00 a.m. - 1:18 p.m.YYZ Toronto Pearson Intl-MCI Kansas City

8h 18m1 stop Detroit Metropolitan Wayne County

5:30 p.m. - 11:59 p.m.MCI Kansas City-YYZ Toronto Pearson Intl

5h 29m1 stop Atlanta Hartsfield-Jackson

C$ 562Delta

Wed, 16 Sep - Sat, 19 Sep

7:45 a.m. - 1:24 p.m.YYZ Toronto Pearson Intl-MCI Kansas City

6h 39m1 stop Atlanta Hartsfield-Jackson

6:34 a.m. - 11:19 a.m.MCI Kansas City-YYZ Toronto Pearson Intl

3h 45m1 stop Detroit Metropolitan Wayne County

C$ 562Delta

Sat, 10 Oct - Sat, 17 Oct

9:45 a.m. - 3:53 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

7h 08m1 stop Chicago O'Hare Intl

6:29 a.m. - 10:06 p.m.MCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

14h 37m1 stop Newark

C$ 567United Airlines

Sat, 10 Oct - Wed, 14 Oct

9:45 a.m. - 3:53 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

7h 08m1 stop Chicago O'Hare Intl

6:00 a.m. - 4:10 p.m.MCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

9h 10m2 stops Chicago O'Hare Intl Newark

C$ 567United Airlines

Sat, 10 Oct - Wed, 14 Oct

12:55 p.m. - 2:00 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 627Air Canada

Wed, 9 Sep - Thu, 10 Sep

12:55 p.m. - 2:00 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 629Air Canada

Tue, 6 Oct - Thu, 8 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:45 a.m. - 1:52 p.m.YYZ Toronto Pearson Intl-MCI Kansas City

7h 07m1 stop Atlanta Hartsfield-Jackson

5:40 p.m. - 11:10 p.m.MCI Kansas City-YYZ Toronto Pearson Intl

4h 30m1 stop Minneapolis St Paul

C$ 650Delta

Tue, 18 Aug - Tue, 25 Aug

6:00 a.m. - 11:17 a.m.YYZ Toronto Pearson Intl-MCI Kansas City

6h 17m1 stop Atlanta Hartsfield-Jackson

7:07 a.m. - 5:19 p.m.MCI Kansas City-YYZ Toronto Pearson Intl

9h 12m1 stop Atlanta Hartsfield-Jackson

C$ 657WestJet

Wed, 19 Aug - Wed, 2 Sep

6:00 a.m. - 11:17 a.m.YYZ Toronto Pearson Intl-MCI Kansas City

6h 17m1 stop Atlanta Hartsfield-Jackson

6:20 a.m. - 11:19 a.m.MCI Kansas City-YYZ Toronto Pearson Intl

3h 59m1 stop Detroit Metropolitan Wayne County

C$ 659Delta

Wed, 19 Aug - Wed, 2 Sep

6:00 a.m. - 1:32 p.m.YYZ Toronto Pearson Intl-MCI Kansas City

8h 32m1 stop Philadelphia

6:00 a.m. - 2:58 p.m.MCI Kansas City-YYZ Toronto Pearson Intl

7h 58m1 stop Charlotte Douglas

C$ 701American Airlines

Wed, 19 Aug - Wed, 2 Sep

4:55 p.m. - 9:44 p.m.YUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

5h 49m1 stop Chicago O'Hare Intl

7:30 a.m. - 5:30 p.m.MCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

9h 00m1 stop Chicago O'Hare Intl

C$ 750Air Canada

Tue, 18 Aug - Mon, 24 Aug

6:10 a.m. - 10:25 a.m.YUL Montreal Pierre Elliott Trudeau Intl-MCI Kansas City

5h 15m1 stop Chicago O'Hare Intl

7:30 a.m. - 5:30 p.m.MCI Kansas City-YUL Montreal Pierre Elliott Trudeau Intl

9h 00m1 stop Chicago O'Hare Intl

C$ 750Air Canada

Sat, 15 Aug - Mon, 24 Aug

7:24 p.m. - 11:26 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

5h 02m1 stop Minneapolis St Paul

12:52 p.m. - 9:59 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

8h 07m1 stop Atlanta Hartsfield-Jackson

C$ 751WestJet

Wed, 19 Aug - Mon, 24 Aug

2:15 p.m. - 9:45 p.m.YYZ Toronto Pearson Intl-MCI Kansas City

8h 30m1 stop Washington, D.C. Reagan-National

5:00 a.m. - 10:59 a.m.MCI Kansas City-YYZ Toronto Pearson Intl

4h 59m1 stop Chicago O'Hare Intl

C$ 852American Airlines

Wed, 19 Aug - Fri, 21 Aug

6:00 a.m. - 7:42 p.m.YOW Ottawa-MCI Kansas City

14h 42m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl

6:00 a.m. - 2:17 p.m.MCI Kansas City-YOW Ottawa

7h 17m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

C$ 912United Airlines

Mon, 17 Aug - Mon, 31 Aug

6:00 a.m. - 7:42 p.m.YOW Ottawa-MCI Kansas City

14h 42m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

1:08 p.m. - 9:35 p.m.MCI Kansas City-YOW Ottawa

7h 27m1 stop Chicago O'Hare Intl

C$ 912United Airlines

Mon, 17 Aug - Mon, 31 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

12:55 p.m. - 2:00 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 627Air Canada

Wed, 9 Sep - Thu, 10 Sep

12:55 p.m. - 2:00 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 629Air Canada

Tue, 6 Oct - Thu, 8 Oct

7:15 p.m. - 8:20 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 629Air Canada

Tue, 8 Sep - Fri, 11 Sep

7:15 p.m. - 8:20 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 629Air Canada

Wed, 9 Sep - Mon, 14 Sep

6:55 p.m. - 8:00 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

2:40 p.m. - 5:34 p.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 629Air Canada

Fri, 2 Oct - Sun, 4 Oct

12:55 p.m. - 2:00 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 629Air Canada

Wed, 7 Oct - Fri, 9 Oct

7:15 p.m. - 8:22 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 07mdirect

8:55 a.m. - 11:52 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 57mdirect

C$ 914United Airlines

Fri, 4 Sep - Mon, 7 Sep

6:55 p.m. - 8:00 p.m.YYZ Toronto Pearson Intl-STL Lambert-St Louis

2h 05mdirect

8:55 a.m. - 11:49 a.m.STL Lambert-St Louis-YYZ Toronto Pearson Intl

1h 54mdirect

C$ 916United Airlines

Wed, 7 Oct - Sun, 11 Oct

5:00 p.m. - 6:47 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 47mdirect

12:15 p.m. - 3:47 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 32mdirect

C$ 1,273Jazz

Tue, 25 Aug - Fri, 28 Aug

4:55 p.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STL Lambert-St Louis

2h 46mdirect

12:10 p.m. - 3:41 p.m.STL Lambert-St Louis-YUL Montreal Pierre Elliott Trudeau Intl

2h 31mdirect

C$ 1,928United Airlines

Sat, 26 Sep - Sat, 3 Oct

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American Airlines flights from Region of Ontario to Missouri

Our best American Airlines deals on Region of Ontario to Missouri flight tickets

American Airlines

8 Sep

YYZ2:15 p.m.Toronto Pearson Intl

8h 22m

1 stop

STL9:37 p.m.Lambert-St Louis

11 Sep

STL7:21 a.m.Lambert-St Louis

10h 14m

1 stop

YYZ6:35 p.m.Toronto Pearson Intl

C$ 519

American Airlines

8 Sep

YYZ2:15 p.m.Toronto Pearson Intl

8h 22m

1 stop

STL9:37 p.m.Lambert-St Louis

11 Sep

STL7:21 a.m.Lambert-St Louis

10h 14m

1 stop

YYZ6:35 p.m.Toronto Pearson Intl

C$ 520

American Airlines

8 Sep

YYZ7:20 a.m.Toronto Pearson Intl

10h 00m

1 stop

STL4:20 p.m.Lambert-St Louis

11 Sep

STL7:21 a.m.Lambert-St Louis

10h 14m

1 stop

YYZ6:35 p.m.Toronto Pearson Intl

C$ 531

Air Canada flights from Region of Ontario to Missouri

Our best Air Canada deals on Region of Ontario to Missouri flight tickets

Air Canada

9 Sep

YYZ12:55 p.m.Toronto Pearson Intl

2h 05m

STL2:00 p.m.Lambert-St Louis

10 Sep

STL8:55 a.m.Lambert-St Louis

1h 54m

YYZ11:49 a.m.Toronto Pearson Intl

C$ 627

Air Canada

8 Sep

YYZ7:15 p.m.Toronto Pearson Intl

2h 05m

STL8:20 p.m.Lambert-St Louis

11 Sep

STL8:55 a.m.Lambert-St Louis

1h 54m

YYZ11:49 a.m.Toronto Pearson Intl

C$ 629

Air Canada

24 Sep

YOW2:45 p.m.Ottawa

4h 56m

1 stop

STL6:41 p.m.Lambert-St Louis

1 Oct

STL8:55 a.m.Lambert-St Louis

5h 15m

1 stop

YOW3:10 p.m.Ottawa

C$ 630

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 8/9

2:15 p.m.-9:37 p.m.

1 stop8h 22m

Lambert-St Louis

Fri 11/9

7:21 a.m.-6:35 p.m.

1 stop10h 14m

C$ 519

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 8/9

2:15 p.m.-9:37 p.m.

1 stop8h 22m

Lambert-St Louis

Fri 11/9

7:21 a.m.-6:35 p.m.

1 stop10h 14m

C$ 520

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Thu 10/9

1:30 p.m.-1:10 p.m.

2 stops24h 40m

Lambert-St Louis

Tue 15/9

12:17 p.m.-8:09 p.m.

1 stop30h 52m

C$ 530

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Thu 10/9

6:30 a.m.-1:10 p.m.

2 stops31h 40m

Lambert-St Louis

Thu 17/9

5:19 p.m.-11:35 p.m.

1 stop29h 16m

C$ 544

TorontoKansas City

YYZ Toronto Pearson Intl - MCI Kansas City

YYZMCI

Toronto Pearson Intl

Wed 16/9

6:00 a.m.-1:18 p.m.

1 stop8h 18m

Kansas City

Sat 19/9

5:30 p.m.-11:59 p.m.

1 stop5h 29m

C$ 562

TorontoKansas City

YYZ Toronto Pearson Intl - MCI Kansas City

YYZMCI

Toronto Pearson Intl

Sat 10/10

7:45 a.m.-1:24 p.m.

1 stop6h 39m

Kansas City

Sat 17/10

6:34 a.m.-11:19 a.m.

1 stop3h 45m

C$ 562

MontrealKansas City

YUL Montreal Pierre Elliott Trudeau Intl - MCI Kansas City

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

9:45 a.m.-3:53 p.m.

1 stop7h 08m

Kansas City

Wed 14/10

6:29 a.m.-10:06 p.m.

1 stop14h 37m

C$ 567

MontrealKansas City

YUL Montreal Pierre Elliott Trudeau Intl - MCI Kansas City

YULMCI

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

9:45 a.m.-3:53 p.m.

1 stop7h 08m

Kansas City

Wed 14/10

6:00 a.m.-4:10 p.m.

2 stops9h 10m

C$ 567

Quickest round-trip

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Wed 9/9

12:55 p.m.-2:00 p.m.

Nonstop2h 05m

Lambert-St Louis

Thu 10/9

8:55 a.m.-11:49 a.m.

Nonstop1h 54m

C$ 627

TorontoSt. Louis

YYZ Toronto Pearson Intl - STL Lambert-St Louis

YYZSTL

Toronto Pearson Intl

Tue 6/10

12:55 p.m.-2:00 p.m.

Nonstop2h 05m

Lambert-St Louis

Thu 8/10

8:55 a.m.-11:49 a.m.

Nonstop1h 54m

C$ 629

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to Missouri

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Missouri?

The month of January is, on average, the cheapest month to fly to Missouri from Region of Ontario, with most prices found around C$ 587. If you are unable to visit Missouri during the month of January, then departing from Region of Ontario during the month February is also very affordable. Most momondo users find prices during this month for around C$ 623.

What is the cheapest Ontario to Missouri flight route?

Fly from Toronto Pearson Intl to Lambert-St Louis for the best Ontario - Missouri flight prices

How far in advance should I book a flight from Ontario to Missouri?

You are more likely to see cheaper flights to Missouri from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around C$ 895 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Region of Ontario for as low as C$ 680 on momondo.

What cabin class options are available on Region of Ontario to Missouri flights?

There are 3 cabin classes available to choose from on Region of Ontario to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to Missouri flights?

You could potentially save up to 10% on your flight if you consider stops on a Region of Ontario to Missouri flight.

Cheap Region of Ontario to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Missouri

Best price found	C$ 349
Fastest flight time	2h 05m
Direct flights	Every day
Airports in Missouri	55 airports

The best one-way flight to Missouri from Region of Ontario in the past 72 hours is C$ 349. The best round-trip flight deal from Region of Ontario to Missouri found on momondo in the last 72 hours is C$ 642.

The fastest flight from Region of Ontario to Missouri takes 2h 05m

Direct flights go from Region of Ontario to Missouri every day.

There are 55 airports in Missouri. From Region of Ontario there are direct flights to Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Ontario to Missouri

When did momondo last update prices for flights from Ontario to Missouri?
Prices for flights from Ontario to Missouri are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to Missouri?
There are 5 operators available for flights from Ontario to Missouri as of August 2026.
How old do you have to be to fly from Ontario to Missouri?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Missouri.
What documentation or ID do you need to fly to Missouri?
The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Region of Ontario to Missouri?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to Missouri is Canadair (Bombardier) Regional Jet 900 (61.03% of total bookings). The next most popular plane models are Airbus A220-300 (17.65%), Embraer 175 (17.65%), and Boeing 737 MAX 8 (1.47%).

Best airlines flying from Region of Ontario to Missouri

Compare and see reviews for airlines that fly from Region of Ontario to Missouri with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 341	Free Cancellation	Rating 7.4 10,112 reviews	Search United Airlines flights
American Airlines	PriceFrom C$ 368	Free Cancellation	Rating 7.1 11,924 reviews	Search American Airlines flights
Air Canada	PriceFrom C$ 410	Free Cancellation	Rating 7.1 11,470 reviews	Search Air Canada flights
Delta	PriceFrom C$ 611	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
WestJet	PriceFrom C$ 625	Free Cancellation	Rating 7.2 3,433 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Missouri?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missouri from Ontario.

Can I find flights from Ontario to Missouri with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Missouri flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Missouri?

Once all potential Ontario to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Missouri right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Missouri flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular cities

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Complete your trip

Feeling lucky

Popular Cities in Missouri

Flights to Fort Lauderdalefrom C$ 199

Flights to Orlandofrom C$ 254

Flights to New Yorkfrom C$ 315

Flights to Los Angelesfrom C$ 180

Flights to Las Vegasfrom C$ 240

Flights to San Franciscofrom C$ 247

Flights to Miamifrom C$ 392

Flights to Honolulufrom C$ 459

Flights to Houstonfrom C$ 358

Flights to Phoenixfrom C$ 269

Flights to Chicagofrom C$ 244

Flights to Tampafrom C$ 230

Cheap flights from Ontario to Missouri from C$ 257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Missouri departing on 27/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Missouri

Cheap round-trip flights

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Cheap last-minute flights

Cheap direct flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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American Airlines flights from Region of Ontario to Missouri

Our best American Airlines deals on Region of Ontario to Missouri flight tickets

Air Canada flights from Region of Ontario to Missouri

Our best Air Canada deals on Region of Ontario to Missouri flight tickets

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Use the filters below to find and compare flights from Ontario to Missouri that are best for you.

See travel insights to Missouri from

How to get the cheapest flight ticket from Region of Ontario to Missouri

What is the cheapest month to fly to Missouri?

What is the cheapest Ontario to Missouri flight route?

How far in advance should I book a flight from Ontario to Missouri?

What cabin class options are available on Region of Ontario to Missouri flights?

Can stopping save me money on Region of Ontario to Missouri flights?

What is the cheapest airline that flies from Ontario to Missouri?

Which airlines fly to Missouri?

How many flights depart from Region of Ontario to Missouri on average per day?

How many flights depart from Region of Ontario to Missouri on average per week?

How long is the flight from Region of Ontario to Missouri?

Cheap Region of Ontario to Missouri flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in Missouri

Frequently asked questions about flying from Ontario to Missouri

Best airlines flying from Region of Ontario to Missouri

Compare and see reviews for airlines that fly from Region of Ontario to Missouri with momondo

Why use momondo?

An easier way to manage your Missouri trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Missouri

Popular Cities in Missouri

Popular flights according to clicks in the last 7 days on momondo

Region of Ontario flight routes

According to popular flight searches on momondo this year

Missouri flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Missouri

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Missouri

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According to popular flight searches on momondo this year